技术领域technical field
本发明涉及高压粒子加注技术领域，具体而言，涉及一种固体粒子加注装置和流场测量装置。The invention relates to the technical field of high-pressure particle injection, in particular to a solid particle injection device and a flow field measurement device.
背景技术Background technique
目前随着技术的进步，人们越来越多的关注复杂结构的，特别是高压区域的流场结构。比如高压的天然气管道流场、高压流体机械内部流动等。这些流动结构的测试均需要对测试区域加注高压的固体PIV(Particle image velocity，速度成像仪)专用示踪粒子。传统的粒子专用加注装置较少，一般均为根据使用需求定制加工。目前有低压液体加注装置、低压粉尘加注装置等，没有专用高压加注装置。粒子加注装置一般要求其具有以下主要功能：1.将固体或液体示踪粒子混合均匀。2.将示踪粒子加入流体机械测试区域。3.加注后示踪粒子在流场测试区域均匀分布。4.示踪粒子粒径符合正态分布。5.示踪粒子粒径大小等参数符合测试要求(粒径大小，粒子浓度、反光性跟随性)。At present, with the advancement of technology, people pay more and more attention to the complex structure, especially the flow field structure in the high pressure area. For example, high-pressure natural gas pipeline flow field, high-pressure fluid machinery internal flow, etc. The tests of these flow structures all need to inject high-pressure solid PIV (Particle image velocity, velocity imager) special tracer particles into the test area. There are few traditional particle-specific filling devices, and they are generally customized according to the needs of use. At present, there are low-pressure liquid filling devices, low-pressure dust filling devices, etc., but there is no special high-pressure filling device. The particle filling device is generally required to have the following main functions: 1. Mix solid or liquid tracer particles evenly. 2. Add tracer particles to the hydromechanical test area. 3. After filling, the tracer particles are evenly distributed in the test area of the flow field. 4. The particle size of the tracer particles conforms to the normal distribution. 5. The particle size and other parameters of the tracer particles meet the test requirements (particle size, particle concentration, reflective followability).
目前的这些加注装置主要存在以下几个问题：1、粒子少、粒子浓度不均匀；2、不能加注到高压测试区域；3、示踪粒子粒径不可调等缺点，导致现有的加注装置加注示踪粒子难以满足需要。These current filling devices mainly have the following problems: 1. Fewer particles and uneven particle concentration; 2. Cannot be filled into the high-pressure test area; It is difficult for the injection device to inject tracer particles to meet the needs.
有鉴于此，设计制造出一种固体粒子加注装置，可以实现向高压测试区域加注粒径分布均匀、浓度可控、粒径大小可调等符合PIV测试需求的PIV示踪粒子，并且添加的固体示踪粒子方便更换，满足不同的测试需求是高压粒子加注技术领域中急需改善的技术问题。In view of this, a solid particle filling device is designed and manufactured, which can realize the filling of PIV tracer particles with uniform particle size distribution, controllable concentration, and adjustable particle size to the high-pressure test area, which meet the requirements of PIV testing, and add The solid tracer particles are easy to replace and meet different test requirements, which is a technical problem that urgently needs to be improved in the field of high-pressure particle filling technology.
发明内容Contents of the invention
本发明的目的在于提供一种固体粒子加注装置，可以实现向高压测试区域加注粒径分布均匀，浓度可控、粒径大小可调的示踪粒子，以满足不同的测试要求。The purpose of the present invention is to provide a solid particle filling device, which can realize the filling of tracer particles with uniform particle size distribution, controllable concentration and adjustable particle size to the high-pressure test area to meet different test requirements.
本发明的目的还在于提供一种流场测量装置，包括上述的固体粒子加注装置，压力可调，可以实现对不同压力等级的试验区域加注示踪粒子，操控方便，测量准确。The purpose of the present invention is also to provide a flow field measurement device, including the above-mentioned solid particle filling device, with adjustable pressure, which can realize the filling of tracer particles in test areas with different pressure levels, which is easy to operate and accurate in measurement.
本发明改善其技术问题是采用以下的技术方案来实现的。The present invention improves its technical problems by adopting the following technical solutions.
本发明提供的一种固体粒子加注装置，用于将固体粒子加注到试验区域，所述固体粒子加注装置包括气源系统、气压调节器、雾状粒子发生器和加注管道。The invention provides a solid particle filling device, which is used for filling solid particles into a test area. The solid particle filling device includes a gas source system, an air pressure regulator, a mist particle generator and a filling pipeline.
所述气源系统与所述雾状粒子发生器连接，用于为所述雾状粒子发生器提供动力，以使所述固体粒子成为雾状粒子。所述气压调节器与所述气源系统连接，用于调节并维持所述气源系统加入到所述雾状粒子发生器中的气源压力。所述加注管道的一端与所述雾状粒子发生器连接，所述加注管道的另一端与所述试验区域连通，用于将所述雾状粒子发生器中的所述雾状粒子加注到所述试验区域。The air source system is connected with the mist particle generator, and is used to provide power for the mist particle generator, so that the solid particles become mist particles. The air pressure regulator is connected with the air source system, and is used for adjusting and maintaining the air source pressure that the air source system adds to the mist particle generator. One end of the filling pipeline is connected with the mist particle generator, and the other end of the filling pipeline is communicated with the test area for adding the mist particles in the mist particle generator. Inject the test area.
进一步地，所述固体粒子加注装置还包括加气管道，所述加气管道的一端与所述气源系统连接，所述加气管道的另一端伸入所述雾状粒子发生器内。所述气压调节器包括第一减压阀，所述第一减压阀设于所述加气管道上，所述第一减压阀用于调节所述雾状粒子发生器内的气压。Further, the solid particle filling device also includes a gas filling pipeline, one end of the gas filling pipeline is connected to the gas source system, and the other end of the gas filling pipeline extends into the mist particle generator. The air pressure regulator includes a first pressure reducing valve, which is arranged on the gas filling pipeline, and the first pressure reducing valve is used to adjust the air pressure in the mist particle generator.
进一步地，所述加气管道设于所述雾状粒子发生器的一端设有喷嘴，所述喷嘴呈喇叭状。Further, the gas filling pipeline is provided at one end of the mist particle generator with a nozzle, and the nozzle is in the shape of a trumpet.
进一步地，所述加气管道包括三通接口、第一分段、第二分段和第三分段，所述三通接口包括第一接口、第二接口和第三接口；所述第一分段连接所述气源系统和所述第一接口，所述第二分段连接所述第二接口和所述雾状粒子发生器、并伸入所述雾状粒子发生器内，所述第三分段连接所述第三接口和所述雾状粒子发生器。Further, the gas filling pipeline includes a three-way interface, a first section, a second section and a third section, and the three-way interface includes a first interface, a second interface and a third interface; the first The gas source system is connected to the first interface in sections, the second section is connected to the second interface and the atomized particle generator, and extends into the atomized particle generator, the The third section connects the third interface and the mist particle generator.
进一步地，所述气压调节器包括第二减压阀，所述第二减压阀设于所述第三分段，用于维持所述雾状粒子发生器内的气压；所述第一减压阀设于所述第二分段。Further, the air pressure regulator includes a second pressure reducing valve, the second pressure reducing valve is arranged in the third section for maintaining the air pressure in the atomized particle generator; the first pressure reducing valve The pressure valve is located in the second segment.
进一步地，所述气源系统包括储气罐，所述储气罐用于存储气体，所述储气罐通过所述加气管道与所述雾状粒子发生器连接，为所述雾状粒子发生器提供气源。Further, the gas source system includes a gas storage tank, which is used to store gas, and the gas storage tank is connected to the mist particle generator through the gas filling pipeline to provide the mist particle The generator provides the gas source.
进一步地，所述第一分段上设置有第一阀门，所述第一阀门与所述储气罐连接，用于控制所述储气罐中的气体的输出。Further, the first section is provided with a first valve, and the first valve is connected with the gas storage tank for controlling the output of the gas in the gas storage tank.
进一步地，所述加注管道上设有加入口，所述加入口为喉管，所述加入口的形状呈两端直径大、中部直径小；所述雾状粒子经所述加入口进入所述试验区域。Further, the filling pipeline is provided with an inlet, and the inlet is a throat, and the shape of the inlet is large in diameter at both ends and small in the middle; the mist-like particles enter the inlet through the inlet. the test area.
进一步地，所述加注管道上设有第二阀门，所述第二阀门与所述加入口串联，所述第二阀门用于控制所述雾状粒子进入或不进入所述试验区域。Further, the filling pipeline is provided with a second valve, the second valve is connected in series with the inlet, and the second valve is used to control whether the mist particles enter or not enter the test area.
本发明提供的一种流场测量装置，所述流场测量装置包括测试装置和上述的固体粒子加注装置，所述测试装置内设有所述试验区域，所述固体粒子加注装置通过所述加注管道和所述测试装置连通，所述固体粒子加注装置将所述雾状粒子加注到所述测试装置内。The present invention provides a flow field measurement device, the flow field measurement device includes a testing device and the above-mentioned solid particle filling device, the testing device is provided with the test area, and the solid particle filling device passes through the The filling pipeline communicates with the test device, and the solid particle filling device injects the mist particles into the test device.
本发明提供的固体粒子加注装置和流场测量装置具有以下几个方面的有益效果：The solid particle filling device and flow field measuring device provided by the present invention have the following beneficial effects:
本发明提供的固体粒子加注装置，用于将固体粒子加注到试验区域，固体粒子加注装置包括气源系统、气压调节器、雾状粒子发生器和加注管道。通过将气源系统与雾状粒子发生器连接，用于为雾状粒子发生器提供动力，以使固体粒子成为雾状粒子。通过将气压调节器与气源系统连接，用于调节并维持气源系统加入到雾状粒子发生器中的气源压力。通过将加注管道的一端与雾状粒子发生器连接，加注管道的另一端与试验区域连通，用于将雾状粒子发生器中的雾状粒子加注到试验区域。该固体粒子加注装置的气压可调，粒径可调，可使得粒径分布均匀，且操作方便，能满足不同压力等级的测试需求，具有极大的推广应用价值。The solid particle filling device provided by the invention is used for filling solid particles into a test area, and the solid particle filling device includes an air source system, an air pressure regulator, a mist particle generator and a filling pipeline. By connecting the air source system with the mist particle generator, it is used to power the mist particle generator so that the solid particles become mist particles. By connecting the air pressure regulator with the air source system, it is used to adjust and maintain the air source pressure that the air source system adds to the mist particle generator. One end of the filling pipeline is connected to the mist particle generator, and the other end of the filling pipeline is communicated with the test area for filling the mist particles in the mist particle generator into the test area. The air pressure and particle size of the solid particle filling device can be adjusted, which can make the particle size distribution uniform, and is easy to operate, can meet the test requirements of different pressure levels, and has great popularization and application value.
本发明提供的流场测量装置，流场测量装置包括测试装置和上述的固体粒子加注装置，测试装置内设有试验区域，固体粒子加注装置通过加注管道和测试装置连通，固体粒子加注装置将雾状粒子加注到测试装置内。该流场测量装置可以实现对不同压力等级的试验区域加注示踪粒子，操控方便，测量准确。The flow field measurement device provided by the present invention includes a test device and the above-mentioned solid particle filling device, a test area is arranged in the test device, and the solid particle filling device is communicated with the test device through a filling pipeline. The injection device injects the mist particles into the test device. The flow field measurement device can realize the filling of tracer particles in test areas with different pressure levels, and is easy to operate and accurate in measurement.
附图说明Description of drawings
为了更清楚地说明本发明实施例的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，应当理解，以下附图仅示出了本发明的某些实施例，因此不应被看作是对范围的限定，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他相关的附图。In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and thus It should be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.
图1为本发明具体实施例提供的固体粒子加注装置的组成框图；Fig. 1 is a compositional block diagram of a solid particle filling device provided by a specific embodiment of the present invention;
图2为本发明具体实施例提供的固体粒子加注装置的结构示意图；Fig. 2 is a schematic structural view of a solid particle filling device provided by a specific embodiment of the present invention;
图3为本发明具体实施例提供的固体粒子加注装置的加入口的结构示意图；Fig. 3 is a schematic structural view of the filling port of the solid particle filling device provided by a specific embodiment of the present invention;
图4为本发明具体实施例提供的流场测量装置的组成框图。Fig. 4 is a block diagram of a flow field measurement device provided by a specific embodiment of the present invention.
图标：100-固体粒子加注装置；101-试验区域；110-气源系统；111-第一阀门；120-加气管道；121-第一分段；123-第二分段；1231-喷嘴；1233-第一减压阀；125-第三分段；1251-第二减压阀；127-三通接口；130-雾状粒子发生器；140-加注管道；141-加入口；1411-第一端部；1413-第二端部；1415-中部；150-气压调节器；200-流场测量装置；210-测试装置。Icons: 100-solid particle filling device; 101-test area; 110-air source system; 111-first valve; 120-gas pipeline; 121-first segment; 123-second segment; 1231-nozzle ; 1233-the first decompression valve; 125-the third section; 1251-the second decompression valve; - first end; 1413 - second end; 1415 - middle; 150 - gas pressure regulator; 200 - flow field measuring device; 210 - testing device.
具体实施方式detailed description
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。通常在此处附图中描述和示出的本发明实施例的组件可以以各种不同的配置来布置和设计。In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.
因此，以下对在附图中提供的本发明的实施例的详细描述并非旨在限制要求保护的本发明的范围，而是仅仅表示本发明的选定实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
在本发明的描述中，需要理解的是，术语“上”、“下”等指示的方位或位置关系为基于附图所示的方位或位置关系，或者是本发明产品使用时惯常摆放的方位或位置关系，或者是本领域技术人员惯常理解的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的设备或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the drawings, or the conventionally placed position when the product of the present invention is used. Orientation or positional relationship, or the orientation or positional relationship commonly understood by those skilled in the art, is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, use a specific Azimuth configuration and operation, therefore, should not be construed as limiting the invention.
本发明的“第一”、“第二”等，仅仅用于在描述上加以区分，并没有特殊的含义。"First", "second", etc. in the present invention are only used to distinguish in description, and have no special meaning.
在本发明的描述中，还需要说明的是，除非另有明确的规定和限定，术语“设置”、“安装”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。In the description of the present invention, it should also be noted that, unless otherwise clearly stipulated and limited, the terms "setting" and "installation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, or Integratively connected; either directly or indirectly through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.
图1为本发明具体实施例提供的固体粒子加注装置100的组成框图，图2为本发明具体实施例提供的固体粒子加注装置100的结构示意图，请参照图1和图2。Fig. 1 is a block diagram of a solid particle filling device 100 provided by a specific embodiment of the present invention, and Fig. 2 is a schematic structural diagram of a solid particle filling device 100 provided by a specific embodiment of the present invention, please refer to Fig. 1 and Fig. 2 .
本实施例提供的一种固体粒子加注装置100，用于将固体粒子加注到试验区域101，固体粒子加注装置100包括气源系统110、加气管道120、气压调节器150、雾状粒子发生器130和加注管道140。A solid particle filling device 100 provided in this embodiment is used for filling solid particles into the test area 101. The solid particle filling device 100 includes a gas source system 110, a gas filling pipeline 120, an air pressure regulator 150, a mist Particle generator 130 and filling pipe 140 .
气源系统110与雾状粒子发生器130连接，用于为雾状粒子发生器130提供动力，以使固体粒子成为雾状粒子。气压调节器150与气源系统110连接，用于调节并维持气源系统110加入到雾状粒子发生器130中的气源压力。加注管道140的一端与雾状粒子发生器130连接，加注管道140的另一端与试验区域101连通，用于将雾状粒子发生器130中的雾状粒子加注到试验区域101。The air source system 110 is connected with the mist particle generator 130 for powering the mist particle generator 130 so that the solid particles become mist particles. The air pressure regulator 150 is connected with the air source system 110 for adjusting and maintaining the pressure of the air source added by the air source system 110 to the mist particle generator 130 . One end of the filling pipeline 140 is connected to the mist particle generator 130 , and the other end of the filling pipeline 140 is connected to the test area 101 for filling the mist particles in the mist particle generator 130 into the test area 101 .
加气管道120的一端与气源系统110连接，加气管道120的另一端伸入雾状粒子发生器130内。优选地，加气管道120包括三通接口127、第一分段121、第二分段123和第三分段125，三通接口127包括第一接口、第二接口和第三接口。第一分段121连接气源系统110和第一接口，第二分段123连接第二接口和雾状粒子发生器130、并伸入雾状粒子发生器130内，第三分段125连接第三接口和雾状粒子发生器130。One end of the gas filling pipeline 120 is connected to the gas source system 110 , and the other end of the gas filling pipeline 120 extends into the mist particle generator 130 . Preferably, the gas filling pipeline 120 includes a three-way interface 127 , a first section 121 , a second section 123 and a third section 125 , and the three-way interface 127 includes a first interface, a second interface and a third interface. The first segment 121 is connected to the gas source system 110 and the first interface, the second segment 123 is connected to the second interface and the mist particle generator 130, and extends into the mist particle generator 130, and the third segment 125 is connected to the second Three interfaces and mist particle generator 130.
气压调节器150包括第一减压阀1233和第二减压阀1251，第一减压阀1233设于加气管道120的第二分段123上，第一减压阀1233用于调节雾状粒子发生器130内的气压。第二减压阀1251设于第三分段125，用于维持雾状粒子发生器130内的气压。The air pressure regulator 150 includes a first pressure reducing valve 1233 and a second pressure reducing valve 1251. The first pressure reducing valve 1233 is located on the second segment 123 of the gas filling pipeline 120. The first pressure reducing valve 1233 is used to adjust the mist state. The air pressure inside the particle generator 130. The second decompression valve 1251 is disposed in the third section 125 for maintaining the air pressure in the mist particle generator 130 .
具体地，加气管道120的第二分段123设于雾状粒子发生器130内的一端设有喷嘴1231，喷嘴1231呈喇叭状，用于气体加速。喇叭状的喷嘴1231可以形成较快的喷射速度，满足吹扫固体粒子的需求，将雾状粒子发生器130内的固体粒子吹扫起来、悬浮于雾状粒子发生器130腔内，形成雾状粒子。利用第一减压阀1233即可调节喷嘴1231喷射出的气体压力，通过调节气压来满足不同的测试要求。Specifically, a nozzle 1231 is provided at one end of the second section 123 of the gas filling pipeline 120 inside the mist particle generator 130 , and the nozzle 1231 is in the shape of a trumpet for gas acceleration. The trumpet-shaped nozzle 1231 can form a faster jetting speed to meet the needs of blowing solid particles, blow up the solid particles in the mist particle generator 130, suspend them in the cavity of the mist particle generator 130, and form a mist particle. The pressure of the gas ejected from the nozzle 1231 can be adjusted by using the first decompression valve 1233, and different test requirements can be met by adjusting the air pressure.
雾状粒子发生器130通过喷嘴1231喷射出的高压气体，将容积内的固体粒子吹扫起来，在雾状粒子发生器130的腔内形成均匀的雾状粒子。利用第二减压阀1251调节第三分段125引入到雾状粒子发生器130内的气体压力，可以维持雾状粒子发生器130的压力，保证雾状粒子发生器130内的压力稳定，从而确保加注的粒子粒径均匀。The mist particle generator 130 blows away the solid particles in the volume through the high-pressure gas ejected from the nozzle 1231 , and forms uniform mist particles in the cavity of the mist particle generator 130 . Utilize the second decompression valve 1251 to regulate the gas pressure that the third segment 125 is introduced into the mist particle generator 130, can maintain the pressure of the mist particle generator 130, guarantee the pressure stability in the mist particle generator 130, thereby Make sure that the particle size of the filling is uniform.
气源系统110包括储气罐，储气罐用于存储高压气体，储气罐通过加气管道120与雾状粒子发生器130连接，为雾状粒子发生器130提供气源。The gas source system 110 includes a gas storage tank for storing high-pressure gas. The gas storage tank is connected to the mist particle generator 130 through the gas filling pipeline 120 to provide a gas source for the mist particle generator 130 .
在本实施例中，第一分段121上设置有第一阀门111，第一阀门111为标准的高压阀门，第一阀门111与储气罐连接，用于控制储气罐中的气体的输出。In this embodiment, the first section 121 is provided with a first valve 111, the first valve 111 is a standard high-pressure valve, and the first valve 111 is connected to the gas storage tank for controlling the output of the gas in the gas storage tank .
图3为本发明具体实施例提供的固体粒子加注装置100的加入口141的结构示意图，请参照图3。FIG. 3 is a schematic structural diagram of the filling port 141 of the solid particle filling device 100 provided by a specific embodiment of the present invention, please refer to FIG. 3 .
加注管道140设于雾状粒子发生器130外，用于连通雾状粒子发生器130和试验区域101。加注管道140上设有加入口141，加入口141为喉管，加入口141的形状呈两端直径大、中部1415直径小。The filling pipeline 140 is arranged outside the mist particle generator 130 for communicating the mist particle generator 130 and the test area 101 . The filling pipe 140 is provided with an inlet 141, and the inlet 141 is a throat. The shape of the inlet 141 is large in diameter at both ends and small in diameter at the middle part 1415 .
作为优选，加入口141包括第一端部1411、第二端部1413和中部1415，第一端部1411和第二端部1413为圆柱形，第一端部1411和第二端部1413通过中部1415过渡连接，中部1415横截面积缩减，第一端部1411和第二端部1413的外径大于中部1415的外径。利用文丘里(喉管)效应，当受限流动在通过缩小的过流断面时，流体出现流速增大的现象，其流量与过流断面成反比。气体及固体粒子通过喉管(加入口141)加速并以扩散方式加入到高压试验区域101。Preferably, the inlet 141 includes a first end portion 1411, a second end portion 1413 and a middle portion 1415, the first end portion 1411 and the second end portion 1413 are cylindrical, and the first end portion 1411 and the second end portion 1413 pass through the middle portion 1415 is transitionally connected, the cross-sectional area of the middle part 1415 is reduced, and the outer diameters of the first end part 1411 and the second end part 1413 are larger than the outer diameter of the middle part 1415 . Utilizing the Venturi (throat) effect, when the restricted flow passes through the narrowed flow section, the flow velocity of the fluid increases, and the flow rate is inversely proportional to the flow section. Gases and solid particles are accelerated through the throat (feeding port 141) and fed into the high-pressure test area 101 in a diffusion manner.
并且，加注管道140上设有第二阀门，第二阀门为高压阀门，用作雾状粒子加注的开关。第二阀门与加入口141串联，第二阀门用于控制雾状粒子进入或不进入试验区域101。Moreover, the filling pipeline 140 is provided with a second valve, and the second valve is a high-pressure valve, which is used as a switch for filling the mist particles. The second valve is connected in series with the inlet 141 , and the second valve is used to control whether the mist particles enter or not enter the test area 101 .
作为优选，雾状粒子发生器130上设有多个加注管道140，多个加注管道140并排设置，每个加注管道140上均设有加入口141和第二阀门。本实施例中采用了四个加注管道140，但并不仅限于此，也可以是五个、八个等，根据实际需要灵活设置。Preferably, the mist particle generator 130 is provided with a plurality of filling pipes 140 arranged side by side, and each filling pipe 140 is provided with an inlet 141 and a second valve. In this embodiment, four filling pipes 140 are used, but it is not limited thereto, and there may be five, eight, etc., which can be flexibly set according to actual needs.
需要说明的是，第一减压阀1233与第二减压阀1251均为标准的高压减压阀。第二减压阀1251作为辅助气源，用于稳定雾状粒子发生器130容积腔内的气体压力，使得整个雾状粒子发生器130内形成稳定、均匀的粒子，粒径呈正态分布，保证每个加入口141加入的粒子直径均匀、浓度均匀。It should be noted that both the first pressure reducing valve 1233 and the second pressure reducing valve 1251 are standard high pressure pressure reducing valves. The second decompression valve 1251 is used as an auxiliary gas source for stabilizing the gas pressure in the volume cavity of the mist particle generator 130, so that stable and uniform particles are formed in the entire mist particle generator 130, and the particle size is normally distributed. Ensure that the diameter and concentration of the particles added to each inlet 141 are uniform.
图4为本发明具体实施例提供的流场测量装置200的组成框图，请参照图4。FIG. 4 is a block diagram of a flow field measuring device 200 provided by a specific embodiment of the present invention, please refer to FIG. 4 .
本发明提供的一种流场测量装置200，流场测量装置200包括测试装置210和上述的固体粒子加注装置100，测试装置210内设有试验区域101，固体粒子加注装置100通过加注管道140和测试装置210连通，固体粒子加注装置100将雾状粒子加注到测试装置210内。A flow field measurement device 200 provided by the present invention, the flow field measurement device 200 includes a test device 210 and the above-mentioned solid particle filling device 100, the test device 210 is provided with a test area 101, and the solid particle filling device 100 is injected The pipeline 140 communicates with the test device 210 , and the solid particle filling device 100 injects the mist particles into the test device 210 .
本发明提供的固体粒子加注装置100和流场测量装置200，其工作原理如下：The working principle of the solid particle filling device 100 and the flow field measuring device 200 provided by the present invention is as follows:
为满足高压流场测试需要，必须向高压试验区域101提供示踪粒子。根据气体的运动总是从高压区域向低压区域运动的原理，当调节雾状粒子发生器130内的压力高于试验区域101的压力时，雾状示踪粒子就会由高压区域向低压的试验区域101流动。本发明提供的固体粒子加注装置100，打开第一阀门111，将储气罐中的高压气源通过三通接口127，由三通接口127引入到第二分段123，经第二分段123到达喷嘴1231处，由于喷嘴1231设于雾状粒子发生器130内，经喷嘴1231加速后的气体吹扫起雾状粒子发生器130中的固体粒子，形成雾状粒子。打开第二阀门，雾状粒子经加注管道140上的加入口141加注到试验区域101，这些加注的雾状粒子作为示踪粒子，用于高压流场的测量。该固体粒子加注装置100可作为速度成像仪专用高压粒子的加注装置，也可以用于流体机械领域内高压系统内的流场测量。In order to meet the requirements of high-pressure flow field testing, tracer particles must be provided to the high-pressure test area 101 . According to the principle that the movement of gas always moves from the high pressure area to the low pressure area, when the pressure in the mist particle generator 130 is adjusted to be higher than the pressure in the test area 101, the mist tracer particles will move from the high pressure area to the low pressure area. Area 101 flows. In the solid particle filling device 100 provided by the present invention, the first valve 111 is opened, and the high-pressure gas source in the gas storage tank is introduced into the second section 123 through the three-way interface 127 through the three-way interface 127, and then passed through the second section 123 reaches the nozzle 1231, because the nozzle 1231 is arranged in the mist particle generator 130, the gas accelerated by the nozzle 1231 sweeps away the solid particles in the mist particle generator 130 to form mist particles. The second valve is opened, and the mist particles are injected into the test area 101 through the inlet 141 on the filling pipe 140, and these injected mist particles are used as tracer particles for the measurement of the high-pressure flow field. The solid particle filling device 100 can be used as a special high-pressure particle filling device for a velocity imager, and can also be used for flow field measurement in a high-pressure system in the field of fluid machinery.
第一减压阀1233用于调控雾状粒子形成的压力，第二减压阀1251用于稳定雾状粒子发生器130内的压力，以保证形成的雾状粒子粒径均匀，加注到各加入口141的雾状粒子粒径均匀、分布浓度均匀。The first decompression valve 1233 is used to regulate the pressure that the mist particles form, and the second decompression valve 1251 is used to stabilize the pressure in the mist particle generator 130, so as to ensure that the mist particles formed have a uniform particle size and are injected into each The mist particles fed into the port 141 have a uniform particle size and a uniform distribution concentration.
综上所述，本发明提供的固体粒子加注装置100具有以下几个方面的有益效果：In summary, the solid particle filling device 100 provided by the present invention has the following beneficial effects:
本发明提供的固体粒子加注装置100，第一，采用高压气源作为动力，可以向高压试验区域101加注示踪粒子。第二，可以加注不同粒径大小的示踪粒子，以实现雾状粒子的粒径可调可控；同时，也可以实现对不同压力等级的试验区域101加注示踪粒子。第三，采用第二减压阀1251，保证雾状粒子发生器130内的压力稳定，使得加注的示踪粒子粒径均匀稳定，各加入口141的示踪粒子分布均匀，即加入到高压试验区域101的示踪粒子浓度均匀、分布均匀稳定。The solid particle injection device 100 provided by the present invention, firstly, uses a high-pressure gas source as a power source to inject tracer particles into the high-pressure test area 101 . Second, tracer particles of different particle sizes can be added to realize the adjustable and controllable particle size of the mist particles; at the same time, it is also possible to inject tracer particles into the test areas 101 of different pressure levels. Third, the second decompression valve 1251 is used to ensure that the pressure in the mist particle generator 130 is stable, so that the particle size of the injected tracer particles is uniform and stable, and the tracer particles in each inlet 141 are evenly distributed, that is, added to the high pressure The concentration of the tracer particles in the test area 101 is uniform, and the distribution is uniform and stable.
本发明提供的流场测量装置200，采用了上述的固体粒子加注装置100，能向高压试验区域101加注示踪粒子，且保证加注的示踪粒子粒径均匀、分布均匀稳定，流场分析测量结果准确，具有极大的推广应用价值。The flow field measurement device 200 provided by the present invention adopts the above-mentioned solid particle filling device 100, which can inject tracer particles into the high-pressure test area 101, and ensure that the injected tracer particles have uniform particle size, uniform distribution and stable flow. Field analysis and measurement results are accurate and have great promotion and application value.
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改、组合和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications, combinations and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.
| Application Number | Priority Date | Filing Date | Title |
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| CN201710493356.7ACN107132025A (en) | 2017-06-26 | 2017-06-26 | Solid particle filling device and flow field measuring device |
| Application Number | Priority Date | Filing Date | Title |
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| CN201710493356.7ACN107132025A (en) | 2017-06-26 | 2017-06-26 | Solid particle filling device and flow field measuring device |
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| CN107132025Atrue CN107132025A (en) | 2017-09-05 |
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| CN201710493356.7APendingCN107132025A (en) | 2017-06-26 | 2017-06-26 | Solid particle filling device and flow field measuring device |
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| RJ01 | Rejection of invention patent application after publication | Application publication date:20170905 |